/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servletfaqs;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sessionbean.FaqFacadeLocal;
import supportlearning.entities.Faq;

/**
 *
 * @author Huy
 */
public class servletfaqs extends HttpServlet {

    @EJB
    private FaqFacadeLocal faqFacade;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String action = request.getParameter("action");
            if (action == null) {
                List<Faq> listfaq = faqFacade.findAll();
                request.setAttribute("listfaq", listfaq);
                request.getRequestDispatcher("faq_admin.jsp").forward(request, response);
            } else if (action.equals("linkid")) {
                int id = Integer.parseInt(request.getParameter("id"));
                Faq f = faqFacade.find(id);
                request.setAttribute("faqobj", f);
                request.getRequestDispatcher("updatefaq.jsp").forward(request, response);
            } else if (action.equals("Update")) {

                int id = Integer.parseInt(request.getParameter("txtid"));
                String fadan = request.getParameter("faqanswer");
                String fadquest = request.getParameter("faqquestion");
                Faq nf = faqFacade.find(id);
                nf.setFaqQuestion(fadquest);
                nf.setFaqAnswer(fadan);
                faqFacade.edit(nf);
                response.sendRedirect("changeFAQSccess.jsp");

            } else if (action.equals("Create")) {


                String fadan = request.getParameter("faqanswer");
                String fadquest = request.getParameter("faqquestion");
                Date d1 = Calendar.getInstance().getTime();
                Faq nf = new Faq(fadquest, fadan, d1);
                faqFacade.create(nf);
                response.sendRedirect("createFAQSuccess.jsp");
            } else if (action.equals("DeleteSelect")) {
                String[] id = request.getParameterValues("cbDelete");
                if (id.length != 0) {

                    for (int i = 0; i < id.length; i++) {
                        Faq f = faqFacade.find(Integer.parseInt(id[i].toString()));
                        faqFacade.remove(f);
                        System.out.println("ID Selected: " + id[i]);
                        response.sendRedirect("servletfaqs");

                    }
                }


            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
